Return-Path: Delivered-To: apmail-hadoop-core-user-archive@www.apache.org Received: (qmail 4614 invoked from network); 20 May 2009 23:31:15 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 20 May 2009 23:31:15 -0000 Received: (qmail 25063 invoked by uid 500); 20 May 2009 23:31:26 -0000 Delivered-To: apmail-hadoop-core-user-archive@hadoop.apache.org Received: (qmail 24970 invoked by uid 500); 20 May 2009 23:31:26 -0000 Mailing-List: contact core-user-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: core-user@hadoop.apache.org Delivered-To: mailing list core-user@hadoop.apache.org Received: (qmail 24960 invoked by uid 99); 20 May 2009 23:31:26 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 20 May 2009 23:31:26 +0000 X-ASF-Spam-Status: No, hits=3.4 required=10.0 tests=HTML_MESSAGE,SPF_NEUTRAL X-Spam-Check-By: apache.org Received-SPF: neutral (nike.apache.org: local policy) Received: from [74.125.46.31] (HELO yw-out-2324.google.com) (74.125.46.31) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 20 May 2009 23:31:15 +0000 Received: by yw-out-2324.google.com with SMTP id 9so439886ywe.29 for ; Wed, 20 May 2009 16:30:54 -0700 (PDT) MIME-Version: 1.0 Received: by 10.151.121.6 with SMTP id y6mr3829554ybm.56.1242862254496; Wed, 20 May 2009 16:30:54 -0700 (PDT) In-Reply-To: <623d9cf40905201614j31f3da74t15f2359a215e7e1f@mail.gmail.com> References: <445c748b0905201607p45a034ffn9eb43edf45ba0af9@mail.gmail.com> <623d9cf40905201614j31f3da74t15f2359a215e7e1f@mail.gmail.com> Date: Wed, 20 May 2009 16:30:54 -0700 Message-ID: <45f85f70905201630r61ef915l94fff461d022384a@mail.gmail.com> Subject: Re: Username in Hadoop cluster From: Todd Lipcon To: core-user@hadoop.apache.org Content-Type: multipart/alternative; boundary=001e680f08d82f1e6b046a606b3c X-Virus-Checked: Checked by ClamAV on apache.org --001e680f08d82f1e6b046a606b3c Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit On Wed, May 20, 2009 at 4:14 PM, Alex Loddengaard wrote: > First of all, if you can get all machines to have the same user, that would > greatly simplify things. > > If, for whatever reason, you absolutely can't get the same user on all > machines, then you could do either of the following: > > 1) Change the *-all.sh scripts to read from a slaves file that has two > fields: a host and a user To add to what Alex said, you should actually already be able to do this with the existing scripts by simply using the format "username@hostname" for each entry in the slaves file. -Todd --001e680f08d82f1e6b046a606b3c--